Heat and humidity is expected to rise throughout the week. High temperatures are forecast to reach the mid-90s to the lower 100s, with heat index values between 105 and 115 degrees.

Cooling stations in Columbia

Cooling centers are open to the public during business hours and provide air-conditioning, access to restrooms and sometimes drinking water. Centers do not provide medical relief or a place to sleep overnight.

Hours: 8 a.m. to 5 p.m. Monday through Saturday; 7 a.m. to 5 p.m. Sunday. This location is sometimes open until 9 p.m., but it varies.

Oakland Senior Center

805 Old 63 N.

Hours: 8 a.m. to 4 p.m. Monday through Friday

Public Health and Human Services Department

1005 W. Worley St.

Hours: 8 a.m. to 5 p.m. Monday through Friday

Salvation Army

1108 W. Ash St.

Hours: 9 a.m. to 5 p.m. every day. This location is also open when the temperature is 90 degrees or higher.

Salvation Army Harbor House

602 N. Ann St.

Hours: No specific time, just during the heat of the day.

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These temperatures are not expected to reach record highs, according to the National Weather Service, but the combination of the heat and humidity makes the weather a hazard.

This is the third heat advisory issued for the area in as many weeks.

Officials at the National Weather Service recommended rescheduling outdoor activities to the early morning or evening. While outdoors, they suggested wearing lightweight, loose-fitting clothing, taking breaks and drinking plenty of water.